Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.
![Sheoldred, Whispering One [New Phyrexia] MTG Single Magic: The Gathering | Multizone: Comics And Games](http://multizone.ca/cdn/shop/products/3bb8347b-8663-40b8-bdfb-411236d2efc8.jpg?v=1702955914)
